Automotive 8-bit MCU with CAN and LIN
NRND — plan for a replacement
The automotive qualification and 80-LQFP footprint mean that a drop-in replacement from the same series is the cleanest migration path — verify the exact order code against your BOM's temperature grade and memory density requirements.
24 MHz core and memory sizing for automotive control
The 2 KB EEPROM is useful for storing fault codes, trim values, or configuration parameters without needing external non-volatile memory. The 10-bit ADC with 16 channels covers analog sensor inputs like temperature, pressure, or potentiometer feedback. For designs that need more RAM or a higher core clock, a move to the STM8AF52A8 or a 32-bit STM32A part would be the next step up.
The 80-LQFP package (14x14 mm) with 0.5 mm pitch is a standard footprint for automotive MCUs — it reflows well on standard FR-4 with a 0.8 mm or 1.6 mm board thickness. The supply range of 3V to 5.5V covers both 3.3V and 5V automotive rails, simplifying power supply design. The peripherals include brown-out reset, POR, PWM, and watchdog — all essential for robust automotive operation without external supervisory ICs.